Segment Display

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Revision as of 00:46, 14 June 2020 by Chao (talk | contribs) (2x4-digi Segment Display)
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Segment LEDs

4-digi x Segments Display 74HC595

Specification

Schematic and Pin Definition

  • VCC - Power Supply
  • GND - GND
  • SDI - Data Input
  • SDO - Data Output
  • LCK - Lock
  • CLK - Clock

The output on the left and input on the right, input and output are combined together on the bottom.

Demo Code

  • 2x4-digi Segment Display - See the final void loop, the final result is: showNum(13456.8);
8 Digi 7 Segment number display demo.JPG

Schematic

Documents

74HC595

TM1637

TM1638

TM1650

Common Drivers

  • TM1638 /TM1637 /TM1650
Type Price Feature
HT1621B 1 SSOP48
  • About TM1650
  1. • Two display modes (8 segments × 4 bits and 7 segments × 4 digits)
  2. • Support for a single button 7x4bit (28 keys) and a combination of buttons (4)
  3. • 8 levels of brightness adjustable
  4. • The segment drive current is greater than 25mA and the bit drive current is greater than 150mA
  5. • High-speed 2-wire serial interface (CLK, DAT)
  6. • Oscillation mode: Built-in RC oscillation
  7. • Built-in power-on reset circuit
  8. • Built-in data latch circuit
  9. • Supports 3-5.5V supply voltage
  10. • Anti-interference ability
  11. • Package: SOP16, DIP16